fune/tools/lint/eslint/eslint-plugin-mozilla/tests/use-default-preference-values.js
Victor Porof 5c7cdbd4ba Bug 1561435 - Format tools/, a=automatic-formatting
# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D35940

--HG--
extra : source : d214f0c82813e5a8d3987debc490a2c11f1308ff
2019-07-05 11:18:19 +02:00

42 lines
1.4 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/use-default-preference-values");
var RuleTester = require("eslint/lib/testers/rule-tester");
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function invalidCode(code) {
let message = "provide a default value instead of using a try/catch block";
return { code, errors: [{ message, type: "TryStatement" }] };
}
let types = ["Bool", "Char", "Float", "Int"];
let methods = types.map(type => "get" + type + "Pref");
ruleTester.run("use-default-preference-values", rule, {
valid: [].concat(
methods.map(m => "blah = branch." + m + "('blah', true);"),
methods.map(m => "blah = branch." + m + "('blah');"),
methods.map(
m =>
"try { canThrow();" + " blah = branch." + m + "('blah'); } catch(e) {}"
)
),
invalid: [].concat(
methods.map(m =>
invalidCode("try { blah = branch." + m + "('blah'); } catch(e) {}")
)
),
});